/*
 *  simple copy function
 */
#include <unistd.h>   //read write
#include <sys/stat.h> //open
#include <fcntl.h>    //open
#include <stdlib.h>

int main()
{
	char c;
	int in, out;

	in = open("file.in", O_RDONLY);
	out = open("file.out", O_WRONLY|O_CREAT, S_IRUSR|S_IWUSR);
	while (read(in, &c, 1) == 1)
		write(out, &c, 1);

	exit(0);
}
